comScore pixel
snowy resort
Ski Japan - Hiroshima

Osa Snow Forecast

34.74° N 132.22° E

Weather Forecast for Osa at 700m altitude

Issued:
8 am 14 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 32.0mm), heaviest during Mon night. Warm (max 23°C on Mon morning, min 16°C on Wed night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 31.0mm), heaviest during Fri night. Warm (max 23°C on Thu morning, min 16°C on Sat night). Wind will be generally light.

Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
thunderstorm
thunderstorm
heavy rain
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
part cloud
cloud
cloud
light rain
light rain
light rain
heavy rain
rain showers
rain showers
clear
t-storm
risk
t-storm
risk
heavy rain
t-storm
risk
t-storm
risk
some clouds
t-storm
risk
t-storm
risk
some clouds
cloudy
cloudy
light rain
light rain
light rain
heavy rain
rain shwrs
rain shwrs
clear
km/h
15
SW
0
WSW
10
SSW
5
WSW
5
NW
5
NE
10
NE
10
NNE
10
E
10
ESE
10
E
10
SE
5
SE
5
ENE
10
ESE
5
ESE
5
ENE
5
ENE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
3
5
13
5
3
1
2
1
1
1
21
3
4
max °C
23
20
19
20
20
18
20
21
16
23
23
18
18
18
17
20
21
17
min °C
22
19
18
19
19
17
18
18
16
20
19
17
18
17
17
18
19
16
 chill °C
22
19
18
19
19
17
18
18
16
20
19
17
18
17
17
18
19
16
Humid %
87
98
91
95
90
91
89
86
93
68
64
83
83
86
95
94
83
91
Freeze m
4800
4700
4550
4450
4350
4350
4200
4250
4400
4500
4400
4500
4350
4400
4450
4400
4650
4600
Sea lvl1000m2000m3000m4000m5000m
201918181817171817191918171717181917232019202018192016222118181817192017
Sunrise
5:52
5:52
5:54
5:54
5:54
5:56
Sunset
6:20
6:19
6:16
6:15
6:14
6:13

Days 7-16 weather summary:

Interested in the 16-day Forecast? Unlock the full forecast and many more features by becoming a Pro member.

Go pro and carve into:

  • Hourly & 16-day snow forecasts
  • Fast, ad-free browsing
  • Unlock full access on app & web
  • Exclusive member discounts
  • 20+ years of snow history
  • Snow hindcasts

Avalanche information: Japan Avalanche Network


Snow Radar

Latest snow reports near Osa:

No recent snow reports

No recent snow reports

Osa Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall:13 Mar 2026
Snow AlertsCreate Alert
Other resorts in Japan - Hiroshima are reporting: powder (0) / good piste (0)

Snow-Forecast Partner Offers

Snow History

Week 2 of September has on average:

0.0
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.0
Powder days
Fresh snow, limited sun, any wind.
0.0
Bluebird days
Average snow, mostly sunny, light wind.

Map placeholder